Home / 3,625.94-5,438.80-1,160.90

Finding the Fourth Proportional to 3,625.94, 5,438.80 and 1,160.90

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Solution

The fourth proportional to 3,625.94, 5,438.80 and 1,160.90 is: 1,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.94 : 5,438.80 = 1,160.90 : x
  2. Step 2: Convert to fraction form
    3,625.94/5,438.80 = 1,160.90/x
  3. Step 3: Cross multiply
    3,625.94x = 5,438.80 × 1,160.90
  4. Step 4: Simplify right side
    3,625.94x = 6,313,902.92
  5. Step 5: Solve for x
    x = 6,313,902.92/3,625.94
  6. Step 6: Final answer
    x = 1,741.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.